const { SlashCommandBuilder } = require('discord.js');
const { readDb, writeDb } = require('../../backend/db.js');

module.exports = {
  name: 'config-welcome',
  description: 'Configure the welcome message for this server.',
  enabled: true,
  builder: new SlashCommandBuilder()
    .setName('config-welcome')
    .setDescription('Configure the welcome message for this server.')
    .addSubcommand(subcommand =>
      subcommand
        .setName('set-channel')
        .setDescription('Set the channel for welcome messages.')
        .addChannelOption(option =>
          option.setName('channel')
            .setDescription('The channel to send welcome messages to.')
            .setRequired(true)
        )
    )
    .addSubcommand(subcommand =>
      subcommand
        .setName('set-message')
        .setDescription('Set the welcome message.')
        .addStringOption(option =>
          option.setName('message')
            .setDescription('The welcome message. Use {user} for username mention and {server} for server name.')
            .setRequired(true)
        )
    )
    .addSubcommand(subcommand =>
      subcommand
        .setName('disable')
        .setDescription('Disable welcome messages.')
    ),
  async execute(interaction) {
    const db = readDb();
    const guildId = interaction.guildId;
    const subcommand = interaction.options.getSubcommand();

    if (!db[guildId]) {
      db[guildId] = {};
    }

    if (subcommand === 'set-channel') {
      const channel = interaction.options.getChannel('channel');
      db[guildId].welcomeChannel = channel.id;
      db[guildId].welcomeEnabled = true;
      writeDb(db);
      await interaction.reply(`Welcome channel set to ${channel}.`);
    } else if (subcommand === 'set-message') {
      const message = interaction.options.getString('message');
      db[guildId].welcomeMessage = message;
      db[guildId].welcomeEnabled = true;
      writeDb(db);
      await interaction.reply(`Welcome message set to: "${message}"`);
    } else if (subcommand === 'disable') {
      db[guildId].welcomeEnabled = false;
      writeDb(db);
      await interaction.reply('Welcome messages disabled.');
    }
  },
};